hbill4848 hbill4848
  • 11-04-2022
  • Mathematics
contestada


Solve the following system of equations algebraically:
x + 5y = -19
3x - y=-9

Respuesta :

Festus19
Festus19 Festus19
  • 11-04-2022

Answer:

x= -4, y=-3

Step-by-step explanation:

solving the two equations simultaneously you'll get x to be-4 and y to be -3

x+ 5y= -19

3x-y=-9

multiplying the second equation by5

15x-5y=-45

adding eqn 1 and eqn 3

16x= -64

x= -4

substituting into eqn 2

3(-4)-y= -9

-y= -9+12

-y= 3

y=-3

Answer Link
s13366
s13366 s13366
  • 11-04-2022
I hope I can help you:)
Ver imagen s13366
Answer Link

Otras preguntas

If you need to walk 3/4 a mile, walking at 1 1/8 miles per hour, how long would it take?
In "The Nose," Ivan Jakovlevitch, a simple barber, finds a committee-man's nose in his bread. Based on this event, what might Gogol be saying about people's rol
The magnitude of delay variation, called ________ , is a critical factor in real-time applications
________ present(s) the largest risk for an organization's infrastructure loss.
evaluate the following expression for x=4 4(x-2)^2-9
Question 1 of 30 for the data, 35, 22, 18, and 25, the value of the median is 20
Why has the poet compared imagination to a soaring bird in this excerpt from the poem "On Imagination" by Phillis Wheatley?
"once a firm is out of alignment, it does not mean that it has to stay that way."
how do I solve this x/2-1=x/5+2
Menswear projections for 2005 are bleak. The best projection available shows menswear sales to be similar to what they were in 2001. By how much would menswear